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Your TV Is Spying On You
(www.ludlowinstitute.org)
This is a most excellent place for technology news and articles.
Are you using isp provided hardware?
My experience with said items has been poor. Literal open doors to your network.
I’m using my xfinity router/modem in bridge mode to my router.
Do whatever you can to remove this from your network as soon as you can. OpenWRT as a suggestion.